ONE PLANET ONE NETWORK

1. ONE PLANET ONE NETWORK A MILLION POSSIBILITIES Barry Joseph Director, Offer and Product Management

2. Agenda • Global Crossing Today • Where is Broadband Going?

3. The Global Crossing Network • 200 + On Net Cities • 27 On Net Countries • More than 101,000 route miles • 26 Metro Networks • 5,000 Employees • 2002 Revenue ~$3B

4. Global Crossing Today SEAMLESS NETWORK Unique Reach and Bandwidth Connecting Top Capacity Centers Broad Service Portfolio GLOBAL REACH Truly Global Corporation

5. A Key Connection to the Research and Education Community SEAMLESS SUPPORT Connecting Research Continents Dedicated, Global R&E Support Proven Technologies, Architected for the Future GLOBAL PARTNERSHIPS Technology partners

6. IP VPN Voice & Conferencing Internet Services IRU Capacity Private Line Video Services RAS Frame Relay VOIP Services Wavelength Service ATM IP Gateway SIA SDH SONET DWDM Fiber Network MPLS Core Network Our Optical Core Supports A Complete Service Set Other Access Alternatives Dial DSL ATM SDH ATM Core Network

7. MPLS Network Evolution Voice Voice IP IP ATM Ethernet ATM Private Line Optical Optical Wavelengths The network architecture has evolved around two key broadband technologies

8. Internet Access Services • Available at 64K to T1/E1 andE-3/DS3 - STM-16/OC48, FastE and GigE speeds • Fixed or burstable billing • Forefront technology • Full MPLS Core • IPV6 • Multicast • Single AS across the globe • Tier 1 provider

9. Global Crossing IP VPN Service™ • Robust global MPLS-te IP backbone network enables maximum throughput, performance, and full routing redundancy and resilience • Network-based solution – no unique CPE required • Service Level Agreements for jitter, availability, latency, packet loss and MTTR • Security features: anti-spoofing, DOS protection, firewalls, etc. • Flexible billing options - usage-based or committed • Highly scalable, multiple connection speeds: from sub-T1/E1 to OC48/STM16 • Supports • Secured Internet Access and Dedicated Internet Access • Remote Access Service – tunnel or gateway reservation models • IP video application

10. Optical Data Services Private Line Service • Secure and reliable point-to-point, digital service across five continents • Resilient, high performance network (SDH/SONET technology) • Bandwidths available from T-1 or E-1, up to OC-48/STM-16 • DACSR reliability: Diversity, Avoidance, and Customer Specified Routing Wavelength Service • Linear/unprotected, bi-directional, point-to-point wavelength (l) connection • 2.5 or 10 Gbit/s SDH/SONET framed signal • Only carrier with ability to connect Asia, North America and Europe • High speed connectivity without capital investment of dark fiber

11. Availability North America Crossing PC-1 Seattle Portland Albany Eugene Rochester 25 standard 2.5G drops 27 standard 10G drops Battle creek Boston Buffalo Chico Salt Lake City AC-1 Chicago Sacramento New York Cleveland Newark Denver San Francisco Philadelphia Baltimore Kansas City Washington DC Sunnyvale Seattle Indianapolis Colorado Springs St. Louis Grover Beach Los Angeles Greensboro Raleigh PC-1 Anaheim Albuquerque Greenville Oklahoma City Charlotte Albany Atlanta Rochester Phoenix Ft. Worth Boston PAC Buffalo Macon El Paso MAC Dallas San Diego Salt Lake City New Orleans Chicago Sacramento New York Jacksonville Cleveland Legend Daytona Beach Denver San Francisco Philadelphia Houston Baton Rouge Kansas City Orlando Tampa Washington DC Sunnyvale San Antonio Cable Stations 2.5 Gbps Wave Cities 10 Gbps Wave Cities Indianapolis Miami Grover Beach Los Angeles Anaheim Phoenix Atlanta MAC El Paso Dallas Wavelength Services OPTICAL WAVELENGTHS Revised August 6, 2002

12. Availability Stockholm Oslo AC-1 Glasgow Edinburgh Copenhagen Sylt Leads Dublin Liverpool Nottingham Hamburg Beverwijk Birmingham Manchester Berlin Amsterdam Hannover London (Dock.) Bristol Dusseldorf Rotterdam Bude Cologne Dresden Antwerp AC-2 London (Slough) Frankfurt Leipzig Whitesands Strasbourg Nuremberg Brussels Reading Chineham Munich Stuttgart Paris AC-1 Zurich Geneva Lyon Milan Seattle North American Crossing Turin Marseilles Legend Grover Beach Los Angeles Osaka Barcelona Cable Stations 2.5 Gbps Wave Cities 10 Gbps Wave Cities Madrid Wavelength Services OPTICAL WAVELENGTHS Revised August 6, 2002

13. Network Roadmap • Optical • Bandwidth Growth • Upgrades to 40G/OC768-STM256 • 10 Gbit Ethernet • Customer control • Rapid re-provisioning • IP Convergence • “VPN-for-all”

14. IP Video Conferencing ISDN gateway Extranet Partner Remote Site Beyond the “Outage” Our IP Services Vision Remote Site Extranet Partner Remote Site ATM/FR Secure remotetermination NNI Partner Internet IP VPN Multi-QoS Network Remote User Mobile User PBX VoIP Core PSTN Audio Conferencing Mobile User Corporate HQ

15. Pricing Model Trends • Trends • Industry beginning to stabilize • “Top City” route traffic growing • Pay as you grow discounting continues • Low commitments for IP services allows greater flexibility

16. Summary • Global, Holistic product portfolio • IP services • Optical services • Growth in broadband capabilities and service • Implementing leading edge technologies – today • Commitment to continue as Research and Education community’s partner

17. THANK YOU